noun, noun which may take the genitive case particle 'no'
the extraordinary; the unusual; the unexpected
Refers to things outside everyday life, often with a nuance of special, non-routine, or extraordinary events. Commonly used in contrast with 日常 (everyday life).
旅行は非日常を味わえる良い機会だ。
Traveling is a good opportunity to experience the extraordinary.
彼は非日常的な出来事に興奮した。
He was excited by the unusual event.
I experienced the extraordinary while traveling.
Travel is a gateway from the everyday to the extraordinary.
Hotels that offer extraordinary experiences are popular.
非常 means 'extreme, emergency, or unusual (in degree)' as in 非常事態, while 非日常 specifically means 'outside of everyday life'—learners often mix up the two because both start with 非.
異常 means 'abnormal' and usually carries a negative, problem-indicating nuance, whereas 非日常 is neutral or even positive, describing a pleasant break from routine like travel.
extraordinariness; unusualness; non-routine quality
extraordinary; unusual; out of the ordinary
Compound of 非 (hi, 'non-') + 日常 (nichijō, 'everyday'). The prefix 非 negates the following noun, creating the meaning 'non-everyday' or 'extraordinary'.